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|  DSH 457
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| Abnormal operation
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| 60335-1(ed.2)
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Standard: IEC 60335-1:1976, 2nd Ed.8 P8 f) ]8 h" `% T+ s
Sub clause: 199 W$ P$ v) q K4 }
Sheet No. DSH-457% s8 D% E7 O& }/ D- Y- z
Subject: Abnormal operation5 b' M8 I& P$ d0 _1 g
Key words: - thermostat an thermal cut out within the same component
. N& g; F; l- `( z, d bDecision taken at the 40th CTL meeting 2003
1 x+ L# o; O+ z+ D) M+ gQuestion: v. ]0 E3 A) i
How is a component with a thermostat or thermal cut-out or both within the same
# s$ q2 n3 ] |9 Q4 N4 Tcomponent, having only one temperature sensing device, but operating two or more switch2 F) e# _. |1 N5 ]! ~, z
parts in separate circuits tested?) a4 G5 h, V0 J
Rationale:" p$ p0 V: F6 [; g
See question.+ T1 z3 n; u7 e- t
Decision:: }! k1 C: W! i; u: Z7 z
When a part of this component has to be short-circuited during the tests, all switch parts are- d7 A" v7 ~8 k" ]$ R$ P+ s
short-circuited.
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发表于 2012-9-12 14:50
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